[Amps] 8877

[Kim Elmore]

Fortunately I have a spare 3CX1200A7!

Kim N5OP

> On Jan 24, 2022, at 9:48 PM, AB2E Darrell <ab2e at hotmail.com> wrote:
> 
> 
> Hi Kim,
> Better sit down then LOL.
> P17 of the Feb QST, the AL-1200 w/Eimac tube is $6000 !
> Guard that tube!
> 73 Darrell AB2E
> 
> 
> From: Amps <amps-bounces at contesting.com> on behalf of Kim Elmore <cw_de_n5op at sbcglobal.net>
> Sent: Monday, January 24, 2022 10:40 PM
> To: amps at contesting.com <amps at contesting.com>
> Subject: Re: [Amps] 8877
>  
> Holy high voltage!!! $7k for an AL1500 with an 8877?! I have an AL1200 that I got cheap several years ago. 
> 
> It needed some work and in the process I installed Ameritron’s QSK-5 PIN diode QSK switch. The AL1200 isn’t as easy to drive as the 1500, so I changed a primary tap, added more filter capacitors to the string and so  increased B+ to about 4 kV no-load. A few other changes followed but nothing crazy. It’s much easier to drive, now. Overall I guess I have less than $2k in it. But even that amp is now $6k!!
> 
> The last time I paid attention, the AL1200 was about $4k and the AL1500 was a bit less depending on the tube. But I haven’t been monitoring the pricing. When did they get so expensive?
> 
> Kim N5OP
> 
> 
> 
> 
> 
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